CN215433387U

CN215433387U - Lens adds clamping apparatus

Info

Publication number: CN215433387U
Application number: CN202121931288.6U
Authority: CN
Inventors: 王元江
Original assignee: Hubei Longchang Optical Co ltd
Current assignee: Hubei Longchang Optical Co ltd
Priority date: 2021-08-17
Filing date: 2021-08-17
Publication date: 2022-01-07
Anticipated expiration: 2031-08-17

Abstract

The utility model discloses a lens processing clamp which comprises a driving box, wherein positioning parts are arranged at the upper end and the lower end of the driving box, a positioning mechanism is installed on the driving box and comprises a positioning clamping piece fixedly connected to the driving box, the positioning clamping piece is made of rubber, a positioning groove is formed in one end of the positioning clamping piece close to the edge of the inner side of the positioning clamping piece, a moving ring is arranged on the outer side of the positioning clamping piece, a limiting block is arranged on the inner side of the moving ring, one end of the limiting block, far away from the moving ring, extends into the positioning clamping piece respectively, stabilizing parts are arranged on two radial sides of the moving ring respectively, driving parts are connected to two sides of the positioning clamping piece respectively and are in transmission connection with the moving ring, and the driving parts drive the moving ring to move axially along the positioning clamping piece so as to clamp or loosen the positioning clamping piece. The positioning clamping piece is made of rubber, the lens is protected in the clamping process, and in addition, the mode of clamping the lens from the side surface is adopted, so that the contact between the two surfaces of the lens and the clamp can be avoided, and the abrasion of the lens is avoided.

Description

Lens adds clamping apparatus

Technical Field

The utility model relates to the technical field of lens processing, in particular to a lens processing clamp.

Background

The lens is made of transparent materials with one or more curved surfaces, which are made of optical materials such as glass or resin, and the lens is often assembled with a spectacle frame to form spectacles after being polished, so that the spectacles are used for correcting the eyesight of a user and obtaining a clear visual field.

The fixture that adopts when processing the lens in the past all adopts the two sides of direct centre gripping lens, thereby such centre gripping mode leads to sliding between lens and the anchor clamps easily at the in-process of processing and leads to the lens wearing and tearing to lead to the lens to damage, increase the defective rate of lens production.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, and provides a lens processing clamp to solve the technical problem that in the prior art, a lens is easily abraded due to the fact that a clamp directly clamps the lens surface of the lens.

According to the embodiment of the utility model, the following technical scheme is adopted: a lens processing clamp comprises a driving box, wherein the upper end and the lower end of the driving box are respectively provided with a positioning piece, the driving box is provided with a positioning mechanism, the positioning mechanism comprises a positioning clamping piece fixedly connected on the driving box, the positioning and clamping piece is made of rubber, one end of the positioning and clamping piece, which is close to the inner edge of the positioning and clamping piece, is provided with a positioning groove, a moving ring is arranged on the outer side of the positioning and clamping piece, a limiting block is arranged on the inner side of the moving ring, the number of the limiting blocks is four, one ends of the four limiting blocks far away from the moving ring respectively extend into the positioning and clamping pieces, the radial two sides of the moving ring are respectively provided with a stabilizing part, the two sides of the positioning and clamping piece are both connected with a driving part, the driving parts are in transmission connection with the moving ring, the driving part drives the moving ring to move axially along the positioning clamping piece so as to clamp or unclamp the positioning clamping piece.

Preferably, the stabilizing part comprises two groups of sliding rings fixed at the upper end and the lower end of the moving ring respectively, the inner side of each sliding ring is connected with a moving rod in a sliding manner, the moving rods are matched with the sliding rings, and the rear ends of the moving rods are fixedly connected with the front end of the driving box.

Preferably, the driving part comprises a driving motor fixedly mounted on the driving box, an output shaft is arranged at one end of the driving motor, one end of the output shaft is fixedly connected with an inner rotor of the driving motor, a driving wheel is fixedly arranged on the outer side of the output shaft, and a driven wheel in transmission connection with the driving wheel is arranged on the moving ring.

Preferably, two moving blocks are symmetrically arranged on the outer wall of the moving ring, a lead screw penetrates through the inside of one of the moving blocks, a sliding rod penetrates through the inside of the other moving block, the lead screw extends into the inside of the driving box, the driven wheel is fixedly connected to one end, close to the rear end of the driving box, of the lead screw, the rear end of the lead screw is rotatably connected with the driving box, the lead screw is in threaded connection with one of the moving blocks, and the sliding rod is in sliding connection with the other moving block.

Preferably, the driving wheel is in transmission connection with the driven wheel through a belt.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model provides a lens processing clamp, which can clamp a positioning clamping piece through the movement of a moving ring, can clamp a lens placed on the inner side of a positioning groove through the closed clamping of the positioning clamping piece, and clamps the lens from the side surface through the positioning clamping piece.

Drawings

FIG. 1 is a first schematic diagram of the overall structure of an embodiment of the present invention;

FIG. 2 is a schematic overall structure diagram of the second embodiment of the present invention;

FIG. 3 is a partial schematic view of an embodiment of the present invention;

fig. 4 is a schematic diagram of a partial explosion structure according to an embodiment of the present invention.

In the above drawings: 1. a drive cartridge; 2. a positioning member; 5. a positioning mechanism; 51. positioning the clamping piece; 52. positioning a groove; 53. a moving ring; 54. a limiting block; 55. a stabilizer; 551. a slip ring; 552. a travel bar; 56. a drive section; 561. a drive motor; 562. an output shaft; 563. a driving wheel; 564. a moving block; 565. a screw rod; 567. a slide bar; 568. a driven wheel; 569. a belt.

Detailed Description

The technical solution of the present invention is further explained with reference to the drawings and the embodiments.

As shown in fig. 1 to 4, as a preferred embodiment, the utility model provides a lens processing fixture, which includes a driving box 1, wherein the driving box 1 is provided at both upper and lower ends thereof with positioning members 2, the driving box 1 is provided with a positioning mechanism 5, the positioning mechanism 5 includes positioning clamping members 51 fixedly connected to the driving box 1, the positioning clamping members 51 are made of rubber, one end of the positioning clamping member 51 near the inner edge thereof is provided with a positioning groove 52, the outer side of the positioning clamping member 51 is provided with a moving ring 53, the inner side of the moving ring 53 is provided with four sets of limiting blocks 54, one ends of the four sets of limiting blocks 54 far away from the moving ring 53 respectively extend into the positioning clamping member 51, the radial two sides of the moving ring 53 are provided with stabilizing portions 55, the two sides of the positioning clamping member 51 are connected with driving portions 56, the driving portion 56 is in transmission connection with the moving ring 53, and the driving portion 56 drives the moving ring 53 to move axially along the positioning clamping member 51 to clamp or unclamp the positioning clamping member 51.

Preferably, the stabilizing portion 55 includes two sets of sliding rings 551 fixed to the upper and lower ends of the moving ring 53, respectively, a moving rod 552 is slidably connected to the inner side of the sliding ring 551, the moving rod 552 is fitted to the sliding rings 551, and the rear end of the moving rod 552 is fixedly connected to the front end of the drive box 1.

In the moving process of the moving ring 53, the sliding ring 551 can slide on the outer side of the moving rod 552, so that the moving process of the moving ring 53 is more stable and practical.

Preferably, the driving part 56 comprises a driving motor 561 fixedly mounted on the driving box 1, one end of the driving motor 561 is provided with an output shaft 562, one end of the output shaft 562 is fixedly connected with an inner rotor of the driving motor 561, a driving wheel 563 is fixedly arranged on the outer side of the output shaft 562, and the moving ring 53 is provided with a driven wheel 568 in transmission connection with the driving wheel 563; two moving blocks 564 are symmetrically arranged on the outer wall of the moving ring 53, a lead screw 565 penetrates through the inside of one of the moving blocks 564, a sliding rod 567 penetrates through the inside of the other moving block 564, the lead screw 565 extends into the driving box 1, the driven wheel 568 is fixedly connected to one end of the lead screw 565 close to the rear end of the driving box 1, the rear end of the lead screw 565 is rotatably connected with the driving box 1, the lead screw 565 is in threaded connection with one of the moving blocks 564, and the sliding rod 567 is in sliding connection with the other moving block 564; the driving wheel 563 is in transmission connection with the driven wheel 568 through a belt 569.

Through the inboard of placing the constant head tank 52 of the one end of location holder 51 with the lens that needs the centre gripping location, when fixing a position, through start driving motor 561, can drive output shaft 562 through driving motor 561 and rotate, it can drive the action wheel 563 to rotate through output shaft 562, it can drive belt 569 through action wheel 563 rotates and carry out the transmission, can drive through belt 569 drive and rotate from driving wheel 568, can drive lead screw 565 through from driving wheel 568 and rotate, because be threaded connection between lead screw 565 and the movable block 564, so can make the movable block 564 remove when lead screw 565 rotates, can make another movable block 564 slide in the outside of slide bar 567, thereby reach the purpose of removing movable ring 53.

In the scheme, when the utility model is used, a lens to be clamped and positioned is placed on the inner side of the positioning groove 52 at one end of the positioning clamping piece 51, when positioning is performed, the driving motor 561 is started, the output shaft 562 can be driven to rotate through the driving motor 561, the driving wheel 563 can be driven to rotate through the rotation of the output shaft 562, the belt 569 can be driven to transmit through the rotation of the driving wheel 563, the driven wheel 568 can be driven to rotate through the belt 569, the lead screw 565 can be driven to rotate through the driven wheel 568, because the lead screw 565 and the moving block 564 are in threaded connection, the moving block 564 can be moved when the lead screw 565 rotates, the other moving block 564 can be made to slide on the outer side of the slide bar 567, so that the purpose of moving the moving ring 53 is achieved, and the positioning clamping piece 51 can be clamped through the movement of the moving ring 53, the closed clamping of location holder 51 can be with the lens centre gripping of the inboard lens of placing of constant head tank 52, press from both sides tightly from the side to the lens through location holder 51, and location holder 51 adopts the rubber material on the one hand, can play the purpose at the in-process protection lens of centre gripping, adopts the mode of side centre gripping lens on the other hand, can avoid the two sides of lens and anchor clamps contact, can avoid anchor clamps to wear and tear the lens.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims

1. The utility model provides a lens adds clamping apparatus, includes drive box (1), its characterized in that: the upper end and the lower end of the driving box (1) are respectively provided with a positioning part (2), the driving box (1) is provided with a positioning mechanism (5), the positioning mechanism (5) comprises a positioning clamping piece (51) fixedly connected to the driving box (1), the positioning clamping piece (51) is made of rubber, one end of the positioning clamping piece (51) is close to the inner side edge of the positioning clamping piece and is provided with a positioning groove (52), the outer side of the positioning clamping piece (51) is provided with a moving ring (53), the inner side of the moving ring (53) is provided with a limiting block (54), the limiting blocks (54) are four in number, one ends of the limiting blocks (54) far away from the moving ring (53) respectively extend into the positioning clamping piece (51), the radial two sides of the moving ring (53) are respectively provided with a stabilizing part (55), the two sides of the positioning clamping piece (51) are respectively connected with a driving part (56), the driving part (56) is in transmission connection with the moving ring (53), and the driving part (56) drives the moving ring (53) to move axially along the positioning clamping piece (51) so as to clamp or release the positioning clamping piece (51).

2. The lens processing jig of claim 1, wherein: the stabilizing part (55) comprises two groups of sliding rings (551) which are respectively fixed at the upper end and the lower end of the moving ring (53), the inner side of each sliding ring (551) is slidably connected with a moving rod (552), the moving rods (552) are matched with the sliding rings (551), and the rear end of each moving rod (552) is fixedly connected with the front end of the driving box (1).

3. The lens processing jig of claim 1, wherein: the driving part (56) comprises a driving motor (561) fixedly mounted on the driving box (1), an output shaft (562) is arranged at one end of the driving motor (561), one end of the output shaft (562) is fixedly connected with an inner rotor of the driving motor (561), a driving wheel (563) is fixedly arranged on the outer side of the output shaft (562), and a driven wheel (568) in transmission connection with the driving wheel (563) is arranged on the moving ring (53).

4. The lens processing jig of claim 3, wherein: two moving blocks (564) are symmetrically arranged on the outer wall of the moving ring (53), a lead screw (565) penetrates through the inside of one of the moving blocks (564), a sliding rod (567) penetrates through the inside of the other moving block (564), the lead screw (565) extends to the inside of the driving box (1), the driven wheel (568) is fixedly connected to one end, close to the rear end of the driving box (1), of the lead screw (565), the rear end of the lead screw (565) is rotatably connected with the driving box (1), the lead screw (565) is in threaded connection with one of the moving blocks (564), and the sliding rod (567) is in sliding connection with the other moving block (564).

5. The lens processing jig of claim 3, wherein: the driving wheel (563) is in transmission connection with the driven wheel (568) through a belt (569).